1.Some scientists have not reported the effects of climate change. (Using perfect gerunds) => ____________________________________________________ 2.He didn't keep his promise. He apologised for that. (Using perfect gerunds) => ____________________________________________________ 3. We switched off the lights before we went to bed. (Using perfect participles) => ____________________________________________________ 4. I wish I hadn’t bought my bicycle. => I regret_______________________________________________ 5.“I can’t go to your birthday party next Saturday evening, Jack”, said Mary. => Mary apologized to______________________________________ Some scientists have not reported the effects of climate change. (Using perfect gerunds) => ____________________________________________________ 5. He didn't keep his promise. He apologised for that. (Using perfect gerunds) => ____________________________________________________